Add get/set_mpstate for ia64

Add get/set_mpstate for Ipf.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/qemu-kvm-ia64.c b/qemu-kvm-ia64.c
index d227d220b..042c7ed19 100644
--- a/qemu-kvm-ia64.c
+++ b/qemu-kvm-ia64.c
@@ -62,6 +62,43 @@ void kvm_arch_update_regs_for_sipi(CPUState *env)
 {
 }
 
+void kvm_save_mpstate(CPUState *env)
+{
+#ifdef KVM_CAP_MP_STATE
+    int r;
+    struct kvm_mp_state mp_state;
+
+    r = kvm_get_mpstate(kvm_context, env->cpu_index, &mp_state);
+    if (r < 0)
+        env->mp_state = -1;
+    else
+        env->mp_state = mp_state.mp_state;
+#endif
+}
+
+void kvm_load_mpstate(CPUState *env)
+{
+#ifdef KVM_CAP_MP_STATE
+    struct kvm_mp_state mp_state = { .mp_state = env->mp_state };
+
+    /*
+     * -1 indicates that the host did not support GET_MP_STATE ioctl,
+     *  so don't touch it.
+     */
+    if (env->mp_state != -1)
+        kvm_set_mpstate(kvm_context, env->cpu_index, &mp_state);
+#endif
+}
+
 void kvm_arch_cpu_reset(CPUState *env)
 {
+    if (kvm_irqchip_in_kernel(kvm_context)) {
+#ifdef KVM_CAP_MP_STATE
+	kvm_reset_mpstate(kvm_context, env->cpu_index);
+#endif
+    } else {
+	env->interrupt_request &= ~CPU_INTERRUPT_HARD;
+	env->halted = 1;
+	env->exception_index = EXCP_HLT;
+    }
 }